| Taxon | Density |
| Amphiura filiformis (O.F. Müller, 1776) | 871 |
| Mysella bidentata (Montagu, 1803) | 204.2 |
| Magelona F. Müller, 1858 | 114.8 |
| Phoronis Wright, 1856 | 91.2 |
| Chamelea gallina (Linnaeus, 1758) | 79.4 |
| Pholoe Johnston, 1839 | 70.8 |
| Nucula nitidosa Winckworth, 1930 | 47.9 |
| Dosinia lupinus (Linnaeus, 1758) | 42.7 |
| Nuculoma tenuis (Montagu, 1808) | 39.8 |
| Scoloplos armiger (Müller, 1776) | 39.8 |
| Nephtys hombergii Savigny in Lamarck, 1818 | 33.9 |
| Harpinia antennaria Meinert, 1890 | 33.9 |
| Bathyporeia tenuipes Meinert, 1877 | 30.9 |
| Nemertea | 30.9 |
| Callianassa subterranea (Montagu, 1808) | 25.7 |
| Eudorellopsis deformis (Krøyer, 1846) | 22.4 |
| Ampelisca brevicornis (A. Costa, 1853) | 20 |
| Synelmis klatti (Friedrich, 1950) | 17 |
| Echinocardium cordatum (Pennant, 1777) | 17 |
| Lunatia poliana (Della Chiaje, 1826) | 14.1 |
| Spiophanes bombyx (Claparède, 1870) | 14.1 |
| Aonides paucibranchiata Southern, 1914 | 11.2 |
| Sthenelais limicola (Ehlers, 1864) | 11.2 |
| Urothoe elegans Spence Bate, 1857 | 11.2 |
| Aporrhais pespelecani (Linnaeus, 1758) | 11.2 |
| Eudorella truncatula (Bate, 1856) | 8.5 |
| Glycera alba (O.F. Müller, 1776) | 8.5 |
| Poecilochaetus serpens Allen, 1904 | 5.8 |
| Amphictene auricoma (O.F. Müller, 1776) | 5.8 |
| Chaetozone setosa Malmgren, 1867 | 5.8 |
| Spiophanes kroyeri Grube, 1860 | 5.8 |
| Enteropneusta | 5.8 |
| Arctica islandica (Linnaeus, 1767) | 5.8 |
| Tellimya ferruginosa (Montagu, 1808) | 5.8 |
| Phaxas pellucidus (Pennant, 1777) | 2.8 |
| Abra alba (W. Wood, 1802) | 2.8 |
| Chaetoderma nitidulum Lovén, 1844 | 2.8 |
| Cylichna cylindracea (Pennant, 1777) | 2.8 |
| Mysia undata (Pennant, 1777) | 2.8 |
| Thracia phaseolina (Lamarck, 1818) | 2.8 |
| Vitreolina philippi (de Rayneval & Ponzi, 1854) | 2.8 |
| Ophiura albida Forbes, 1839 | 2.8 |
| Chaetopterus variopedatus (Renier, 1804) | 2.8 |
| Scolelepis bonnieri (Mesnil, 1896) | 2.8 |
| Harmothoe (Harmothoe) glabra (Malmgren, 1866) | 2.8 |
| Diplocirrus glaucus (Malmgren, 1867) | 2.8 |
| Notomastus latericeus Sars, 1851 | 2.8 |
| Ophelina acuminata Örsted, 1843 | 2.8 |
| Eumida sanguinea (Örsted, 1843) | 2.8 |
| Glycinde nordmanni (Malmgren, 1866) | 2.8 |
| Goniada maculata Örsted, 1843 | 2.8 |
| Gyptis capensis (Day, 1963) | 2.8 |
| Ophiodromus flexuosus (Delle Chiaje, 1827) | 2.8 |
| Nephtys caeca (Fabricius, 1780) | 2.8 |
| Corystes cassivelaunus (Pennant, 1777) | 2.8 |
| Ampelisca tenuicornis Liljeborg, 1856 | 2.8 |
| Hippomedon denticulatus (Spence Bate, 1857) | 2.8 |
| Argissa hamatipes (Norman, 1869) | 2.8 |
